99 lines
4.2 KiB
Go
99 lines
4.2 KiB
Go
package app
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import "yingce/backend/internal/model"
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const maxChannelModelTokenPriceMicrocredits = int64(1_000_000) * CreditScale
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func validateTokenPrices(capability string, inputPrice, outputPrice, cachedPrice int64) error {
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if inputPrice < 0 || outputPrice < 0 || cachedPrice < 0 {
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return BadAuthRequest("模型积分价格不能小于 0")
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}
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if capability == "video" && (inputPrice != 0 || cachedPrice != 0) {
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return BadAuthRequest("视频 Token 仅按视频用量计费，输入和缓存 Token 价格必须为 0")
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}
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if inputPrice > maxChannelModelTokenPriceMicrocredits || outputPrice > maxChannelModelTokenPriceMicrocredits || cachedPrice > maxChannelModelTokenPriceMicrocredits {
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return BadAuthRequest("Token 每百万用量价格不能超过 1,000,000 积分")
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}
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return nil
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}
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// ValidateChannelModelPrice 校验渠道模型价格配置的有效性
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// 根据 billingMode 检查必要的价格字段是否已配置
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func ValidateChannelModelPrice(billingMode string, capability string, protocol model.ChannelInterfaceType, unitPrice, inputPrice, outputPrice, cachedPrice int64) bool {
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switch billingMode {
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case "fixed_request":
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// 固定价格模式：0 表示免费，负数无效。
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return unitPrice >= 0
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case "per_second":
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// 按秒计费：0 表示免费，负数无效。
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return unitPrice >= 0
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case "token":
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if validateTokenPrices(capability, inputPrice, outputPrice, cachedPrice) != nil {
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return false
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}
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if capability == "video" {
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return true
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}
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if capability != "" && capability != "text" {
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return false
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}
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// 文本模型：所有 Token 价格为 0 时表示免费。
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return true
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default:
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return false
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}
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}
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// ValidatePriceTierPrice 校验价格档的价格配置有效性
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func ValidatePriceTierPrice(tier *model.ChannelModelPriceTier, capability string, protocol model.ChannelInterfaceType) bool {
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if tier == nil {
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return false
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}
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return ValidateChannelModelPrice(tier.BillingMode, capability, protocol, tier.UnitPriceMicrocredits, tier.InputTokenPriceMicrocredits, tier.OutputTokenPriceMicrocredits, tier.CachedTokenPriceMicrocredits)
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}
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// ComputePriceConfigured 根据价格内容计算 PriceConfigured 标志
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// 不再允许手动设置 PriceConfigured，必须由价格字段派生
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func ComputePriceConfigured(billingMode string, capability string, protocol model.ChannelInterfaceType, unitPrice, inputPrice, outputPrice, cachedPrice int64) bool {
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return ValidateChannelModelPrice(billingMode, capability, protocol, unitPrice, inputPrice, outputPrice, cachedPrice)
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}
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// ComputeTierPriceConfigured 计算价格档的 PriceConfigured 标志
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func ComputeTierPriceConfigured(tier *model.ChannelModelPriceTier, capability string, protocol model.ChannelInterfaceType) bool {
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if tier == nil {
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return false
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}
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return ComputePriceConfigured(tier.BillingMode, capability, protocol, tier.UnitPriceMicrocredits, tier.InputTokenPriceMicrocredits, tier.OutputTokenPriceMicrocredits, tier.CachedTokenPriceMicrocredits)
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}
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// HasValidPrice 检查渠道模型是否有有效价格
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// 对于有价格档的模型，检查是否至少有一个启用且价格有效的价格档
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func HasValidPrice(channelModel *model.ChannelModel) bool {
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if channelModel == nil {
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return false
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}
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// 如果有价格档，检查价格档
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if len(channelModel.PriceTiers) > 0 {
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for _, tier := range channelModel.PriceTiers {
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if tier.Enabled && tier.PriceConfigured && ValidatePriceTierPrice(&tier, channelModel.Capability, channelModel.Protocol) {
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return true
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}
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}
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return false
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}
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// 否则检查模型级别的价格
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return channelModel.PriceConfigured && ValidateChannelModelPrice(channelModel.BillingMode, channelModel.Capability, channelModel.Protocol, channelModel.UnitPriceMicrocredits, channelModel.InputTokenPriceMicrocredits, channelModel.OutputTokenPriceMicrocredits, channelModel.CachedTokenPriceMicrocredits)
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}
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// ValidateLogicalModelPrice 校验前台模型的价格配置
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func ValidateLogicalModelPrice(pricePolicy string, billingMode string, unitPrice, inputPrice, outputPrice, cachedPrice int64) bool {
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if pricePolicy == "channel" {
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// 跟随渠道价格，不需要校验前台价格
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return true
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}
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// 统一定价模式，按 billingMode 校验
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return ValidateChannelModelPrice(billingMode, "", "", unitPrice, inputPrice, outputPrice, cachedPrice)
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}
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